#588BFB#588BFB

#588BFB is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.175 H 263.8°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#588BFB
RGB	rgb(88, 139, 251)
HSL	hsl(221, 95%, 66%)
HSV	hsv(221, 65%, 98%)
CMYK	cmyk(64.9%, 44.6%, 0%, 1.6%)
CIE-LAB	lab(59.44, 17.77, -61.01)
CIE-LCH	lch(59.44, 63.54, 286.24°)
OKLab	oklab(65.63% -0.0189 -0.1744)
OKLCH	oklch(65.63% 0.175 263.8)
XYZ	xyz(30.6636, 27.5020, 94.9405)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BFB #FBC858

analogous

#58DDFB #588BFB #7758FB

triadic

#588BFB #FB588B #8BFB58

tetradic

#588BFB #FB58DD #FBC858 #58FB77

square

#588BFB #FB58DD #FBC858 #58FB77

split-complementary

#588BFB #FB7758 #DDFB58

monochromatic

#0546D4 #1C61FA #588BFB #94B5FC #D0DEFE

Accessibility & contrast

On white

3.23

#588BFB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#588BFB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BFB

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BFB	#FFFFFF	#000000	##000000
##588BFB	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5497FF

Deuteranopia (green-blind)

#3788F9

Tritanopia (blue-blind)

#00A5B7

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #588bfb;
/* rgb */ color: rgb(88, 139, 251);
/* oklch */ color: oklch(65.6% 0.175 263.8);

Tailwind

colors: {
  custom: {
    50: '#96acfd',
    500: '#588bfb',
    950: '#000000',
  },
}

SCSS

$custom: #588bfb;
$custom-light: #96acfd;
$custom-dark: #000000;

JSON

{
  "hex": "#588bfb",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 251
  },
  "hsl": {
    "h": 221.227,
    "s": 95.322,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65632,
    "c": 0.17543,
    "h": 263.8
  },
  "luminance": 0.27505
}

Semantic roles & 50–950 ramp

primary

#588BFB

secondary

#F2E1BD

accent

#9E00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #588BFB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →